When to plant lettuce in Wellington
Lettuce is cold-hardy, so every date keys off Wellington's frost dates of Sep 1.
Step 1 · Sow
Start seeds indoors
Aug 4 – Aug 25
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Aug 11 – Sep 1
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Sep 25 – Oct 10
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
Wellington's 273-day season leaves this much room.
Lettuce on Wellington's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
FROST
SEP 1
JUN 1
Common questions
When can I sow lettuce outdoors in Wellington?
Direct-sow around early August (Aug 4–Aug 25) in Wellington, based on its local frost dates. Confidence 80%.
When will lettuce be ready to harvest in Wellington?
Expect to harvest from around late September (Sep 25–Oct 10) in Wellington, based on its local frost dates. Confidence 72%.
When should I start lettuce seeds indoors in Wellington?
Start seeds indoors around early August (Aug 4–Aug 25) in Wellington, based on its local frost dates. Confidence 76%.
When can I transplant lettuce outdoors in Wellington?
Transplant outdoors around mid August (Aug 11–Sep 1) in Wellington, based on its local frost dates. Confidence 80%.
How long is the growing season in Wellington?
Wellington has roughly 273 frost-free days, which is enough time to grow lettuce to maturity outdoors.
The rule of thumb
Sow lettuce as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Wellington's frost dates.
Confidence 80/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.